@charset "utf-8";

$red : red;
$font-size:16px;
@mixin bgg($width,$height,$bg){
    width: $width;
    height: $height;
    background: $bg;
}

body{
    background: black;
}
.baba{
    @include bgg(500px,500px,$red);
    >div{
        @include bgg(300px,300px,green);
        >div{
            @include bgg(100px,100px,yellow);
            color: $red;
            font-size: $font-size;
        }
    }
}
